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Fig. 2. Representative original recordings during ventral aortic occlusion in a
resting 530 g sea bass (Dicentrarchus labrax). Before (left-hand
panel) and 1.5-2 h after (right-hand panels) prazosin treatment (1 mg
kg-1 Mb). (A) Dorsal aortic pressure
(PDA); (B) central venous pressure
(PCV); (C) relative cardiac output in kHz
(
); and (D) heart rate
(fH). Mean circulatory filling pressure (MCFP) was
calculated from the average venous plateau pressure between the 5th and 7th
seconds during the ventral aortic occlusion.